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  1. www.webmd.com › eye-health › good-eyesight6 Tips for Eye Health and Maintaining Good Eyesight - WebMD

    2022年6月14日 · Look 20 feet away for 20 seconds. Get up at least every 2 hours and take a 15-minute break. 6. Visit Your Eye Doctor Regularly. Everyone needs a regular eye exam, even young children. It helps ...

  2. www.webmd.com › eyeThe Eyes (Human Anatomy): Diagram, Optic Nerve, Iris, ...

    2022年5月10日 · The front part (what you see in the mirror) includes: Iris: the colored part. Cornea: a clear dome over the iris. Pupil: the black circular opening in the iris that lets light in. Sclera: the ...

  3. www.webmd.com › news › defaultThe latest breaking health news and alerts - WebMD

    2012年1月10日 · Latest Health News. Some Moms With HIV May Breastfeed, Pediatricians Say People with HIV may consider breastfeeding their newborn babies because the benefits may outweigh the very small risk of ...